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    <center>Scilab Function</center>
    <div align="right">Last update : April 1993</div>
    <p>
      <b>hist3d</b> -  3D representation of a histogram</p>
    <h3>
      <font color="blue">Calling Sequence</font>
    </h3>
    <dl>
      <dd>
        <tt>hist3d(f,[theta,alpha,leg,flag,ebox])  </tt>
      </dd>
      <dd>
        <tt>hist3d(list(f,x,y),[theta,alpha,leg,flag,ebox])  </tt>
      </dd>
    </dl>
    <h3>
      <font color="blue">Parameters</font>
    </h3>
    <ul>
      <li>
        <tt>
          <b>f</b>
        </tt>: matrix of size (m,n) defining the histogram <tt>
          <b>f(i,j)=F(x(i),y(j))</b>
        </tt>,  where <tt>
          <b>x</b>
        </tt> and <tt>
          <b>y</b>
        </tt>  are taken as  <tt>
          <b>0:m</b>
        </tt> and <tt>
          <b>0:n</b>
        </tt>.</li>
      <li>
        <tt>
          <b>list(f,x,y)  </b>
        </tt>: where f is a matrix of size (m,n)defining the histogram  <tt>
          <b>f(i,j)=F(x(i),y(j))</b>
        </tt>, with <tt>
          <b>x</b>
        </tt> and <tt>
          <b>y</b>
        </tt> vectors of size (1,n+1)  and (1,m+1).</li>
      <li>
        <tt>
          <b>theta,alpha,leg,flag,ebox</b>
        </tt>: see <tt>
          <b>plot3d</b>
        </tt>.</li>
    </ul>
    <h3>
      <font color="blue">Description</font>
    </h3>
    <p>
      <tt>
        <b>hist3d</b>
      </tt> represents a 2d histogram as a 3D plot.
    The values are associated to the intervals 
    <tt>
        <b>[x(i) x(i+1)[ X [y(i) y(i+1)[</b>
      </tt>.</p>
    <p>
    Enter the command <tt>
        <b>hist3d()</b>
      </tt> to see a demo.</p>
    <h3>
      <font color="blue">See Also</font>
    </h3>
    <p>
      <a href="histplot.htm">
        <tt>
          <b>histplot</b>
        </tt>
      </a>,&nbsp;&nbsp;<a href="plot3d.htm">
        <tt>
          <b>plot3d</b>
        </tt>
      </a>,&nbsp;&nbsp;</p>
    <h3>
      <font color="blue">Author</font>
    </h3>
    <p>Steer S. &amp; JPhilippe C.  </p>
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